add agrirouter 2 QA environment definition (#55)

fix some imports

add distribution to PyPI and creation of GitHub Release

Feature/cleanup packaging (#50)

* fix license in pyproject.toml

* add temporary script (before creating GH action)

* src is not a package

* add variants of venv to .gitignore

* revert most of 382f374

* move agrirouter/ to src/agrirouter/

* remove all imports from root __init__ for a clean start

* re-add agrirouter package reference to test imports

* fix some reverting issues

* fix imports in tests

* fix import path

* fix header encoding for Python >= 3.8

* fix imports and linting

* add Python 3.12 to linting and add internal tests to CI

* add manual trigger for integration tests, including version selection

* also need to install requirements, module alone is not enough

* remove upper Python version boundary

* explicitly list client side requirements

* update flake8 version in requirements

* clean up some requirements

* clean up some requirements

* clean up some requirements

* final requirements fix :)

* ignore E721 (type checking) for flake8

* add JUnit-style test output & report

* beautify check names for test reports

Initial Release

fix some issues with message delete service (#30)

* fix some issues with message delete service